Section 14537 - "Gypsum" defined(a) "Gypsum" means calcium sulfate dihydrate, a mineral used in the fertilizer industry as a source of calcium and sulfur which is also known as landplaster.(b) "Phosphatic sulfate gypsum" means a by-product of calcium dihydrate from the manufacture of phosphoric acid, also known as phosphogypsum.Ca. Food and Agric. Code § 14537
Added by Stats. 1990, Ch. 504, Sec. 2.